An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : illuminance
illuminance
  روشنایی، تنویی ِ ~   
rowšanâyi, tanuyi-ye ~

Fr.: éclairement lumineux   

Optics: Intensity of → illumination.
The amount of visible light incident per unit area of surface per second; measured in lux (lumens per unit square meter). → irradiance.

Rowšanâyi, → illumination; tanuyi→ intensity.